Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5339301 | Optically readable record carrier for recording information, method and apparatus for manufacturing such, apparatus for recording and reading information on a such a record carrier | Wilhelmus P. M. Raaymakers, Franciscus L. J. M. Kuijpers, Johannes H. T. Pasman, Hendricus A. M. Mulder | 1994-08-16 |
| 5025435 | Apparatus for reading or writing contrast enhanced information optical record carrier | Winslow M. Mimnagh | 1991-06-18 |
| 4949332 | Optical record carrier having contrast enhancing information and servo-tracks | Winslow M. Mimnagh | 1990-08-14 |
| 4933923 | Optical record carrier inscribed with read-out control data and apparatus for reading such record carrier in conformity with such control data | Winslow M. Mimnagh | 1990-06-12 |